Truck fender



FIG. 1 is a perspective view of the design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an side elevation view of a truck fender;

FIG. 3 is an opposite side elevation view of a truck fender;

FIG. 4 is a top plan view of the design;

FIG. 5 is a bottom plan view of the design;

FIG. 6 is a front view of the design; and,

FIG. 7 is a rear view of the design. 

The ornamental design for a truck fender, as shown and described. 